title: [The use of dodecyl-di(beta-oxyethyl) benzylammonium chloride (Bactofen) as a decontaminant in the cultural examination for detection of the Koch bacillus in sputum].
abstract: We tried to see whether it was possible to use Bactofen to decontaminate sputum for culture of Mycobacterium tuberculosis. Bactofen showed very little bactericidal action on tubercle bacilli, lower than Desogen, and selectively destroyed many contaminants, more actively than benzalkonium chloride. Digested sputum decontaminated with 0.2% Bactofen and then applied to culture media without centrifugation gave good results in growth of colonies.
mesh_terms: D000891:Anti-Infective Agents, Local / Q000494:pharmacology*; D001548:Benzalkonium Compounds / Q000031:analogs & derivatives* / Q000494:pharmacology*; D009169:Mycobacterium tuberculosis / Q000187:drug effects* / Q000302:isolation & purification; D000644:Quaternary Ammonium Compounds / Q000494:pharmacology*; D013183:Sputum / Q000382:microbiology*
chemical_list: D000891:Anti-Infective Agents, Local; D001548:Benzalkonium Compounds; D000644:Quaternary Ammonium Compounds; C013850:benzoxonium chloride; C030547:toloconium methylsulfate
vernacular_title: Impiego del dodecil-di (beta-ossietil) benzilammonio-cloruro [Bactofen] come decontaminante nell'esame colturale per la ricerca del bacillo di Koch nell'escreato.